Wheel cap



FIG. 1 is a perspective view of the wheel cap of my design;

FIG. 2 is a top plan view of the wheel cap of FIG. 1; and,

FIG. 3 is a side elevational view of the wheel cap of FIG. 1.

The broken lines shown in FIGS. 1 and 3 of the drawings are for illustrative purposes only and the subject matter depicted thereby constitutes no part of the claimed design. 

The ornamental design for a wheel cap, as shown and described. 